* {
    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Roboto, Helvetica, Arial, PingFang SC, Source Han Sans CN, Hiragino Sans GB, Microsoft YaHei, WenQuanYi Micro Hei, sans-serif;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-weight: 400;
}

.icon {
    display: inline-block;
    margin: 1em;
	text-align: center;
}

#header {
    position: fixed;
    top: 0px;
    left: 0px;
    margin: 0px;
    z-index: 1000;
    width: 100%;
    height: 70px;
    background-color: mediumseagreen;
}

#github, #logo, #download {
    display: inline-block;
    color: darkcyan;
    cursor: pointer;
}

#logo {
    margin-left: 20px;
}

#github, #download {
    float: right;
    margin-right: 20px;
}

#download-info{
    position: fixed;
    bottom: 0px;
    right: 0px;
    margin: 0px;
    z-index: 1000;
    width: 200px;
    height: auto;
    text-align: center;
    font-size: 20px;
    background-color: mediumseagreen;
    visibility: hidden;
}

#content{
    margin-top: 75px;
}

p, p:hover, a, a:hover{
	text-decoration: none;
}
#content a  p{
	opacity: 0.7;
    color: black;
	text-align: center;
}
#content a  p:hover{
	opacity: 1;
}